There was once a hot news on Weibo: [Sodium chloride, a potentially toxic substance, has been detected in a fast food. Long-term exposure to sodium chloride will cause damage to the body.] It sounds terrible, but people with a little chemical knowledge all know that sodium chloride is the salt we eat and the most inseparable raw material for human cooking food. This [news] is actually a fishing news. However, if you think about it carefully, although the news is ridiculous, it is true that excessive salt intake will induce hypertension and increase the risk of heart disease and brain infarction, which will indeed cause physical injury. The Dietary Guidelines for Chinese Residents suggest that each person’s daily salt intake Read More …